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| Producer |
Pentax |
Sigma |
| Model |
SMC DA 55-300mm f/4.0-5.8ED |
AF 80-400mm f/4.5-5.6 EX OS Canon |
| Type |
Telephoto Zoom |
Telephoto Zoom |
| Lens Mount |
Pentax KA/KAF/KAF2 |
Canon EF |
| Diameter |
2.78 in (71 mm) |
3.73 in (95 mm) |
| Length |
4.37 in (111.5 mm) |
7.53 in (192 mm) |
| Weight |
15.5 oz (440 g) |
3.6 lbs (1650 g) |
| LENS SYSTEM |
| Lens Aperture |
F4 - F5.80 |
F4.50 - F5.60 |
| Focal length |
55 - 300 mm |
55 - 300 mm |
| Max View Angle |
5.40 - 29 deg/min |
6.12 - 14.18 deg/min |
| Auto Focus |
Yes |
Yes |
| Image Stabilization |
No |
Yes |
| Photographic Filter Diameter |
2.27 in (58 mm) |
3.02 in (77 mm) |
| Minimal Aperture |
F32 |
F22 |
| Minimal Focus Range |
1.4 m |
1.8 m |
| Number of Optical Lens Elements |
12 |
20 |
| Number of Lens Groups |
8 |
14 |
| Ultrasonic Motor |
No |
No |
| MISCELLANEOUS |
| Number of Blades in an Iris Diaphragm |
|
9 |
| Number of Low Dispersion Glass Elements |
|
3 |
| Compatible Cameras |
For digital SLR cameras |
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| Macro Mode |
No |
No |
| Inner focusing |
No |
Yes |
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Also Compare Pentax SMC DA 55-300mm f/4.0-5.8ED with:
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Also Compare Sigma AF 80-400mm f/4.5-5.6 EX OS Canon with:
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